Home / 28,964,506.80-43,446,760.20-18,886,810.80

Finding the Fourth Proportional to 28,964,506.80, 43,446,760.20 and 18,886,810.80

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Solution

The fourth proportional to 28,964,506.80, 43,446,760.20 and 18,886,810.80 is: 28,330,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,506.80 : 43,446,760.20 = 18,886,810.80 : x
  2. Step 2: Convert to fraction form
    28,964,506.80/43,446,760.20 = 18,886,810.80/x
  3. Step 3: Cross multiply
    28,964,506.80x = 43,446,760.20 × 18,886,810.80
  4. Step 4: Simplify right side
    28,964,506.80x = 820,570,739,770,370.25
  5. Step 5: Solve for x
    x = 820,570,739,770,370.25/28,964,506.80
  6. Step 6: Final answer
    x = 28,330,216.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.